[Pacemaker] Problems with SBD

Oriol Mula-Valls omv.lists at gmail.com
Sun Jan 4 18:49:58 UTC 2015


Hi everyone,

I have a two node system with SLES 11 SP3 (pacemaker-1.1.9-0.19.102,
corosync-1.4.5-0.18.15, sbd-1.1-0.13.153). Since desember we started to
have several reboots of the system due to SBD; 22nd, 24th and 26th. Last
reboot happened yesterday January 3rd. The message is the same all the
times.
/var/log/messages:Jan  3 11:55:08 kernighan sbd: [7879]: info: Cancelling
IO request due to timeout (rw=0)
/var/log/messages:Jan  3 11:55:08 kernighan sbd: [7879]: ERROR: mbox read
failed in servant.
/var/log/messages:Jan  3 11:55:08 kernighan sbd: [7878]: WARN: Servant for
/dev/sdc1 (pid: 7879) has terminated
/var/log/messages:Jan  3 11:55:08 kernighan sbd: [7878]: WARN: Servant for
/dev/sdc1 outdated (age: 4)
/var/log/messages:Jan  3 11:55:08 kernighan sbd: [8183]: info: Servant
starting for device /dev/sdc1
/var/log/messages:Jan  3 11:55:11 kernighan sbd: [8183]: info: Cancelling
IO request due to timeout (rw=0)
/var/log/messages:Jan  3 11:55:11 kernighan sbd: [8183]: ERROR: Unable to
read header from device 5
/var/log/messages:Jan  3 11:55:11 kernighan sbd: [8183]: ERROR: Not a valid
header on /dev/sdc1
/var/log/messages:Jan  3 11:55:11 kernighan sbd: [7878]: WARN: Servant for
/dev/sdc1 (pid: 8183) has terminated
/var/log/messages:Jan  3 11:55:11 kernighan sbd: [7878]: WARN: Latency: No
liveness for 4 s exceeds threshold of 3 s (healthy servants: 0)

The sbd is an iscsi drive shared by synology box.

Could any one provide me some guidance on what's happenning please?

Thanks in advance,

Oriol
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